Always use warm water and a mop or sponge to clean the marble.

Any other cleaner that contains an acid, soft, laundry, etc., will damage your floor (even if they are sealed). Steam can also remove sealants. Empty an/dor dust, the first surface and simply MO/psponge. Dragged across the dirt on the shoes, and or, etc., can act as a mild abrasive to your floor and even the walls. Dust and dirt are not always. Once you MO/psponge, use a clean cotton cloth to dry to avoid taches.Quant the grout, you can buy a non acid grout cleaner in any hardware store. Clean the grout well and immediately MOP and sec.Pour help prevent grout discoloration or damage, simply apply a thin layer of grout sealer to it.

The hunters come in a handy, hand held, size.

The nozzle is very low, it is easy to apply, and you’ll be happy with résultats.Voici a site that will help explain things further to vous.
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-http://www.Doityourself.com/str/yfloormarbleceramic